Dual Isolator 12V140Amp Manual and Auto Mode RV Compatible Voltage Sensitive Relay VSR

【Manual use function】- The blue indicator light will light up, press the button every time, and the circuit will be connected and disconnected. The voltmeter will light up at the same time when the circuit turns on the red indicator. Circuit disconnects red indicator light and the voltmeter disappears at the same time 【Automatic Condition Function】-When the input voltage exceeds 13.3V, the circuit will be connected automatically. Voltmeter and red (LED) indicator will also light up. When the input voltage drops to 12.7V, the circuit will be disconnected automatically. Voltmeter and red (LED) indicator are also off 【Voltmeter Display】 - When you connect 2 batteries, the will be the one with high voltage displayed on the voltmeter. Connect only the batteries you want to test the voltage, and remove the other . When the voltmeter is not working, press the button once, the voltmeter will display 2 seconds 【High Pressure and Low Pressure Protection】-When the input voltage is below 11V or above 17V, the circuit will automatically disconnect to protect the main from overdischarge and protect the secondary from high voltage shock 【12 Month Warranty】-Exquisite craft, strict quality control, excellent after-sales service. That's why our products deserve your purchase

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